Home / 185,377.12-255,820.44-100,493.92

Finding the Fourth Proportional to 185,377.12, 255,820.44 and 100,493.92

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Solution

The fourth proportional to 185,377.12, 255,820.44 and 100,493.92 is: 138,681.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,377.12 : 255,820.44 = 100,493.92 : x
  2. Step 2: Convert to fraction form
    185,377.12/255,820.44 = 100,493.92/x
  3. Step 3: Cross multiply
    185,377.12x = 255,820.44 × 100,493.92
  4. Step 4: Simplify right side
    185,377.12x = 25,708,398,831.72
  5. Step 5: Solve for x
    x = 25,708,398,831.72/185,377.12
  6. Step 6: Final answer
    x = 138,681.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.